package www.Alibaba.com;
public class computer {
    private String cpu;  // cpu
    private String memory;  // 内存
    public String screen;  // 屏幕
    String brand;  // 品牌
    //构造方法
    public computer(String brand, String cpu, String memory, String screen) {
        this.brand = brand;
        this.cpu = cpu;
        this.memory = memory;
        this.screen = screen;
    }
        public void Boot(){
            System.out.println("开机~~~");
        }
        public void PowerOff()
        {
            System.out.println("关机~~~");
        }
}

